Changelog
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absoluteurl v1.6, March 12, 2010
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- added encode_url function to convert an absolute url to its percentage 
  encoded equivalent, according to RFC 3986

absoluteurl v1.5, March 11, 2010
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- fixed to allow spaces in the path of url

absoluteurl v1.4, October 2, 2009
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- Percentage encoding of the absolute url disabled.

absoluteurl v1.2, 2009-02-27
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- Minor bug fix


absoluteurl v1.0, 2009-08-28
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- Initial release